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Zone of metal-driven anaerobic oxidation of methane is an important sink for phosphorus in the Taixinan Basin, South China Sea

文献类型：期刊论文

作者Wu, Daidai3,4,5; Xie, Rui2,4,5; Liu, Jie4,5; Yang, Fei5; Sun, Tiantian5; Liu, Lihua5; Wu, Nengyou1,3
刊名MARINE GEOLOGY
出版日期2020-09-01
卷号427页码:10
ISSN号0025-3227
关键词Phosphorus sink Sulfate-driven anaerobic oxidation of methane (SD-AOM) Taixinan Basin Metal-driven anaerobic oxidation of methane (MD-AOM)
DOI10.1016/j.margeo.2020.106268
通讯作者Xie, Rui(xierui@ms.giec.ac.cn)
英文摘要Phosphorus (P) is an important nutrient and has an important impact on global primary productivity. Presently, the dynamics of the P cycle in low sulfate, anoxic settings are largely unknown. In this study, the adsorption-desorption behavior of Fe-bound P, organic-P, loosely-bund P, detrital apatite P, and refractory P was described in the sulfate and methane transition zone (SMTZ) at site 973-4 in the cold-seep area of the Taixinan Basin, South China Sea. Results showed that the Fe-bound P and organic-P were influenced by sulfate-driven anaerobic oxidation of methane (SD-AOM) and metal-driven anaerobic oxidation of methane (MD-AOM), and subsequently, the Fe-bound P and organic-P were released as HPO42- into the pore water. Meanwhile, significant increases were detected in authigenic carbonate fluorapatite (P-C(FA)) and vivianite within the MD-AOM zone, which indicate that this zone is an important P-sink area. The MD-AOM plays an important role in the formation of P CFA and vivianite because MD-AOM provide the necessary HPO42- and Fe2+ for the formation of these minerals. Our findings have major implications for understanding the P cycle in low sulfate, anoxic settings and are important for understanding the influence of MD-AOM on the phosphate cycle.
WOS关键词CONTINENTAL-MARGIN SEDIMENTS ; DEEP-WATER ; AUTHIGENIC APATITE ; SHENHU AREA ; GAS HYDRATE ; IRON ; TRANSITION ; VIVIANITE ; MANGANESE ; SULFUR
资助项目Municipal Science and Technology Program of Guangzhou[201904010311] ; Special Project for Marine Economy Development of Guangdong Province[GDME-2018D002] ; Institution of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences[ISEE2018YB03] ; Laboratory for Marine Mineral Resources, Pilot National Laboratory for Marine Sciences and Technology (Qingdao)[KC201703]
WOS研究方向Geology ; Oceanography
语种英语
出版者ELSEVIER
WOS记录号WOS:000552135700027
资助机构Municipal Science and Technology Program of Guangzhou ; Special Project for Marine Economy Development of Guangdong Province ; Institution of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences ; Laboratory for Marine Mineral Resources, Pilot National Laboratory for Marine Sciences and Technology (Qingdao)
源URL[http://ir.giec.ac.cn/handle/344007/27499]  
专题中国科学院广州能源研究所
通讯作者Xie, Rui
作者单位1.Minist Nat Resources, Key Lab Gas Hydrate, Qingdao Inst Marine Geol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Mineral Resources, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, Inst South China Sea Ecol & Environm Engn, Guangzhou 510301, Peoples R China
5.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China
推荐引用方式
GB/T 7714		 Wu, Daidai,Xie, Rui,Liu, Jie,et al. Zone of metal-driven anaerobic oxidation of methane is an important sink for phosphorus in the Taixinan Basin, South China Sea[J]. MARINE GEOLOGY,2020,427:10.
APA Wu, Daidai.,Xie, Rui.,Liu, Jie.,Yang, Fei.,Sun, Tiantian.,...&Wu, Nengyou.(2020).Zone of metal-driven anaerobic oxidation of methane is an important sink for phosphorus in the Taixinan Basin, South China Sea.MARINE GEOLOGY,427,10.
MLA Wu, Daidai,et al."Zone of metal-driven anaerobic oxidation of methane is an important sink for phosphorus in the Taixinan Basin, South China Sea".MARINE GEOLOGY 427(2020):10.

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来源：广州能源研究所

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